Sausage Tortellini with Spinach

Bahan-bahan (6 porsi)

• 1 pound Hot or Mild Italian Sausage
• 1/2 medium onion, chopped small, about 2/3 cup
• 3 cloves garlic
• 3 (14) ounce cans crushed tomatoes
• 20 ounces refrigerated tortellini
• 4 ounces baby spinach, roughly chopped
• 1/2 cup heavy cream
• 1/2 cup Parmesan or Pecorino Romano cheese, shredded ((optional))